login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A116207 Numbers n such that n concatenated with n+7 gives the product of two numbers which differ by 5. 5
493, 607, 629, 757, 17927, 33247, 93869, 19467217, 31223879, 72757727, 13454739732766891651472740499, 40093333713615672956030023507, 48089152118689474641229584727, 66424317743191484432891678269 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..14.

EXAMPLE

72757727//72757734 = 85298138 * 85298143, where // denotes concatenation.

CROSSREFS

Cf. A116167, A116114, A116200, A116173, A116208, A116180, A116338.

Sequence in context: A198531 A300058 A251540 * A264327 A045007 A062903

Adjacent sequences:  A116204 A116205 A116206 * A116208 A116209 A116210

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 23 16:46 EDT 2019. Contains 328373 sequences. (Running on oeis4.)